Re: [Vala] Why is Vala 10 times slower than C ?

[Qball Cow <qball aggervaccae nl>]

This is not really a fair comparison. Try writing the same code as you 
wrote in vala in C and then compare.

You are now comparing a probably very highly optimized 'wc' with a 
naïve implementation in vala.


On Mon Jun  6 14:12:37 2011, Serge Hulne wrote:
> I used "wordcount" as a test to compare the processing speed of Vala against
> C:
>
>
> I obtained the following result:
>
> ---
> C:
> ---
> serge:vala serge2$ time wc ../shakespeare.txt
>    495200 2703240 15862370 ../shakespeare.txt
>
> real    0m0.194s
> user    0m0.176s
> sys    0m0.015s
>
> ---
> Vala:
> ---
> serge:vala serge2$ time ./hello
> lc = 495201. wc = 3170980
>
> real    0m2.258s
> user    0m2.223s
> sys    0m0.028s
>
>
> -------
>
> The vala code is as follows:
>
> class HelloWorld : GLib.Object {
>       public static int main(string[] args) {
>
>              var f = FileStream.open("../shakespeare.txt", "r");
>              var line = "";
>              var wc = 0;
>              var lc = 0;
>
>              while (!f.eof()) {
>                  line = f.read_line(); lc++;
>                  if (line == null) break;
>                  //stdout.printf("line = %s\n", line);
>                  var words = line.split(" ");
>                  for (int i=0; i<words.length; i++) {
>                      //stdout.printf("word = %s\n", words[i]);
>                      wc++;
>                  }
>              }
>
>              stdout.printf("lc = %d. wc = %d\n", lc, wc);
>              return 0;
>        }
> }
>
>
>
>
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